|
| year | production | change |
| 1984 | 1.21 | NA |
| 1985 | .35 | -71.03 % |
| 1986 | .46 | 31.25 % |
| 1987 | .91 | 97.03 % |
| 1988 | .99 | 9.67 % |
| 1989 | 1.23 | 23.69 % |
| 1990 | 1.68 | 36.97 % |
| 1991 | .58 | -65.37 % |
| 1992 | .48 | -18.53 % |
| 1993 | .24 | -49.29 % |
| 1994 | .52 | 115.91 % |
| 1995 | | NA |
| 1996 | | NA |
| 1997 | | NA |
| 1998 | | NA |
| 1999 | | NA |
| 2000 | | NA |
| 2001 | | NA |
| 2002 | | NA |
| 2003 | | NA |
| 2004 | | NA |
| 2005 | | NA |
| 2006 | | NA |
| 2007 | | NA |
| 2008 | | NA |
| 2009 | | NA |
| 2010 | | NA |
|
|
